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<h2><code><a class="back" title="Return to index" href="../index.html#calls1">calls/1</a></code></h2>
<h4>Description</h4>
<blockquote>
<pre>
calls(Protocol)
calls(Protocol1, Protocol2, ...)
calls([Protocol1, Protocol2, ...])
</pre>
<p>
Declares the protocol(s) that are called by predicates defined in an object or category.
</p>
</blockquote>
<h4>Template and modes</h4>
calls(+protocol_identifiers)
<h4>Examples</h4>
:- calls(comparingp).
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Last updated on: August 6, 2002
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